Definition of "thenar"

thenar

/θiːnə/

noun
plural thenars
1. (archaic) The palm of the hand or sole of the foot.
  Quotations
  the parts of the human anatomy most sensitive to cold being the nape, stomach, and thenar or sole of foot?
  1922, James Joyce, Ulysses
2. The ball of the thumb, or the muscle controlling it.
adjective
not comparable
1. (anatomy) Relating to the palm of the hand or the sole of the foot.